.root {
	position: relative;
	z-index: 3;
}

.mask {
	position: fixed;
	z-index: 2;
	left: 0;
	right: 0;
	top: 0;
	bottom: 0;
	background-color: rgba(0, 0, 0, 0.5);
}

.content {
	position: absolute;
	width: 100%;
	z-index: 3;
	background-color: #fff;
}